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Round|Lab Grown|IGI

1.22ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG515227577

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515227577

Diamond specifications and retailer prices

From $449 AUD
As of November 5, 2026
Save $1,667 AUD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,115 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515227577 or 515227577. Listed at 12 retailers as of November 5, 2026, with prices from $449 to $2,115, a $1,667 spread on the same certified stone. MOH London lists it at $2,115. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.22
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227577
Dimensions6.91 × 6.94 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.91 mm6.94 mm1.22 ctF / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227577
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,115 AUD|Low: $449 AUD|High: $2,132 AUD|Avg: $1,031 AUD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$449 AUD
Retailer 9$480 AUD
Retailer 8$483 AUD
Retailer 6$720 AUD
Retailer 7$786 AUD
Retailer 5$927 AUD
Retailer 11$944 AUD
Retailer 2$996 AUD
Retailer 4$1,023 AUD
Retailer 3$1,436 AUD
Retailer 12$1,473 AUD
MOH London$2,115 AUD

21 data points across 12 retailers

12 retailers$449 AUD to $2,115 AUD

A
Cheapest Retailer
-
$449 AUD
Retailer 2
-
$480 AUD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$483 AUD
View
B+
Retailer 4
-
$720 AUD
View
B+
Retailer 5
-
$786 AUD
View
B
Retailer 6
-
$927 AUD
View
B
Retailer 7
-
$944 AUD
View
B
Retailer 8
-
$996 AUD
View
B
Retailer 9
-
$1,023 AUD
View
B
Retailer 10
-
$1,436 AUD
View
B
Retailer 11
-
$1,473 AUD
View
Most Expensive
B
MOH London
LG515227577 · Nov 5
$2,115 AUD
£1,166 GBP
View
11 more retailers have this diamond
Prices start from $449 AUDSave up to $1,667 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.22ct Round
$449 AUD